* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
}
a {
  cursor: pointer;
}
img {
  object-fit: contain;
  width: 100%;
}
body {
  padding-top: 60px;
  background: #fff;
  overflow-x: hidden;
  max-width: 100%;
}
.section {
  width: 100%;
  margin: 0 auto;
  overflow: hidden;
}
.title {
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 64px;
  font-weight: 600;
  margin: 0 auto;
}
.title .text {
  margin: 0 40px;
}
.des {
  font-size: 22px;
  font-weight: 500;
}
.t-b {
  color: #5f9ac2;
}
.btn {
  width: 300px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 600;
  border-radius: 100px;
  z-index: 2;
}
.btn-b {
  background: #82b8e2;
  color: #fff;
}
.btn-w {
  border: 2px solid #5f9ac2;
  color: #5f9ac2;
}
.header {
  height: 100px;
  font-size: 20px;
}
.first {
  padding: 60px;
  position: relative;
  text-align: center;
  max-width: 100%;
  background: url("img/bg/bg1.png") no-repeat top center;
  background-size: 100% 840px;
  max-height: 845px;
  overflow: hidden;
}
.first .p1 {
  width: 100%;
  max-width: 1046px;
  height: 60%;
  margin: 0 auto;
  transform: translateY(-20px);
}
.second {
  max-height: 825px;
  padding-top: 120px;
  max-width: 100%;
}
.box {
  display: flex;
  max-height: 600px;
  margin: 72px;
  align-items: center;
}
.box-t {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.box-title-box {
  position: relative;
  height: 200px;
}
.box-title-box img {
  z-index: 1;
}
.box-title-box .text {
  z-index: 2;
  transform: translate(70px, -149.4px);
  font-size: 36px;
  font-weight: 600;
}
.box-t {
  flex: 1;
  margin-left: 50px;
  transform: translateY(-70px);
}
.box-title-box .text .text-des {
  margin-top: 50px;
  font-size: 24px;
  font-weight: 300;
  width: 525px;
  word-break: break-word;
  line-break: strict;
  word-wrap: break-word;
}
.d-btn {
  width: 300px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #000;
  border-radius: 20px;
  font-size: 24px;
  font-weight: 600;
   cursor: pointer;
}
.download {
  margin-top: 40px;
  padding: 40px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: url("img/bg/bg2.png") no-repeat top center;
  background-size: 100% 100%;
}

@media (max-width: 768px) {
  .title {
    font-size: 32px;
    flex-direction: column;
    text-align: center;
  }

  .title .text {
    margin: 16px 0;
  }

  .des {
    font-size: 16px;
    padding: 0 20px;
  }

  .btn {
    width: 80%;
    height: 56px;
    font-size: 18px;
  }

  .box {
    flex-direction: column;
    margin: 20px;
  }

  .box-t {
    margin-left: 0;
    transform: translateY(0);
    align-items: center;
    margin-bottom: 24px;
    margin-top: 24px;
  }

  .box-title-box .text {
    transform: translate(20px, -200px);
    font-size: 24px;
    text-align: left;

  }

  .box-title-box .text .text-des {
    width: 100%;
    font-size: 16px;
    padding: 0 10px;
    margin-top: 20px;
  }

  .first {
    padding: 20px;
    background-size: cover;
    height: auto;
  }

  .first .p1 {
    max-width: 100%;
    height: auto;
    margin-top: 24px;
  }

  .d-btn {
    width: 90%;
    height: 60px;
    font-size: 18px;
    margin-bottom: 12px;
    display: flex;
    justify-content: start;
    padding-left: 25%;
  }

  .download {
    flex-direction: column;
    gap: 20px;
    padding: 20px 0;
  }
}